-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, RRxBjw4eOVc5JzWJMb6AJ8RSVPuYY+Jkh+4gKPVKBZTOxUtQy4K5GoRABUXUfK7E ff5Jt+NTfLI2JMunq9ztOQ== 0001209191-08-015901.txt : 20080305 0001209191-08-015901.hdr.sgml : 20080305 20080305101348 ACCESSION NUMBER: 0001209191-08-015901 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20080301 FILED AS OF DATE: 20080305 DATE AS OF CHANGE: 20080305 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: PEEBLER ROBERT P CENTRAL INDEX KEY: 0001228219 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 08666329 BUSINESS ADDRESS: BUSINESS PHONE: 281.552.3308 MAIL ADDRESS: STREET 1: INPUT/OUTPUT INC STREET 2: 2101 CITYWEST, BLDG 3, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ION GEOPHYSICAL CORP CENTRAL INDEX KEY: 0000866609 STANDARD INDUSTRIAL CLASSIFICATION: MEASURING & CONTROLLING DEVICES, NEC [3829] IRS NUMBER: 222286646 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2101 CITYWEST BLVD STREET 2: BUILDING III, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 BUSINESS PHONE: 281.933.3339 MAIL ADDRESS: STREET 1: 2101 CITYWEST BLVD STREET 2: BUILDING III, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 FORMER COMPANY: FORMER CONFORMED NAME: INPUT OUTPUT INC DATE OF NAME CHANGE: 19930328 4 1 doc4.xml FORM 4 SUBMISSION X0202 4 2008-03-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001228219 PEEBLER ROBERT P 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042-2839 1 1 0 0 President & CEO Common stock 2008-03-01 4 A 0 31447 0.00 A 211472 D 100% of these shares of restricted stock will vest on March 1, 2010. /s/ Debra A. Addington, attorney-in-fact 2008-03-05 -----END PRIVACY-ENHANCED MESSAGE-----